20123090930

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1\times {\mathrm{60793}}^1$

素因数の和:61298

約数の個数: 32

約数和(自身を含む): 36768211200

約数和(自身を除く): 16645120270

約数列:

[1, 2, 5, 10, 79, 158, 395, 419, 790, 838, 2095, 4190, 33101, 60793, 66202, 121586, 165505, 303965, 331010, 607930, 4802647, 9605294, 24013235, 25472267, 48026470, 50944534, 127361335, 254722670, 2012309093, 4024618186, 10061545465, 20123090930]

約数ペア:

[(1, 20123090930), (2, 10061545465), (5, 4024618186), (10, 2012309093), (79, 254722670), (158, 127361335), (395, 50944534), (419, 48026470), (790, 25472267), (838, 24013235), (2095, 9605294), (4190, 4802647), (33101, 607930), (60793, 331010), (66202, 303965), (121586, 165505)]